*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration:none ;
}
.wrap{
    width: 100%;
    margin: 0 auto;
}
.content{
    width: 100%;
    /* 清除浮动 */
    overflow: hidden;
    margin: 0 auto;
}
.top{
    width: 100%;
    height: 56px;
    background-color: #ffe300;
    color:#282828;
}
.top_left, .top_mid, .top_right{
    float: left;
    width: 30%;
}
.top_left img{
    margin-left: 30px;
    height: 30px;
    margin-top: 16px;
    float: left;
    overflow: hidden;
}
.top_left span{
    height: 60px;
    font-size: 20px;
      /* 改变行列内元素和块级元素区别：block不具备，下面这个具备 */
      display: inline-block;
      line-height: 60px;
      font-weight: bold;
}
.top_mid ul{
    margin: 20px;
    width: 100%;
    overflow: hidden;
}
.top_mid li{
    float: left; 
    list-style: none;
    height: 80px;
    width: 15%;
    text-align: center;
    line-height: 70%;
    
}
.top_mid li span{
    line-height: 20px;
    color: #282828;
    height: 56px;
    margin: 0 auto;
    display: inline-block;
    font-size: 16px;

}
.top_mid li span:hover{
      /* 伪类选择符经过是变颜色 */
      color: red;
}

.top_right{
    margin-right: 20px;
    float: right;
}

.top_right span{
    float: right;
    height: 40px;
    line-height: 50px;
    margin-left: 20px;
    font-size: 16px;

}
.top_right img{
    height: 30px;
    margin-top: 15px;
    margin-left: 10px;

}
.top_right .top_right_img{
    margin-left: 350px;
}

/* .advertising ul{
    width: auto;
    list-style: none;
    overflow: hidden;
   
}
.advertising li{
    float: left;
    width: 20%;

} */
img{
    width: 210px;
    height: 168px;
}
.advertising{
    margin-left:5%;
    width: 1400px;
    height: 210;
    list-style: none;
    overflow: hidden;
    text-align: center;
}
.box{
    float: left;
    width: 215px;
    padding: 0px;
    margin:5px;
}

a{
    color: rgb(125, 150, 160);
    text-decoration: none;
}
a:link{
        color: rgb(126, 146, 167);
        text-decoration: none;
}
